Global Patent Index - EP 4435771 A1

EP 4435771 A1 20240925 - DISPLAY DEVICE

Title (en)

DISPLAY DEVICE

Title (de)

ANZEIGEVORRICHTUNG

Title (fr)

DISPOSITIF D'AFFICHAGE

Publication

EP 4435771 A1 20240925 (EN)

Application

EP 23819954 A 20230308

Priority

  • KR 20220069793 A 20220608
  • KR 2023003161 W 20230308

Abstract (en)

A display device includes a liquid crystal panel; a plurality of light sources configured to emit light; a substrate including a plurality of dimming blocks arranged in rows and columns, each dimming block of the plurality of dimming blocks including at least one light source of the plurality of light sources; a first driving device configured to control a driving current applied to light sources in first dimming blocks of the plurality of dimming blocks; and a second driving device configured to control a driving current applied to light sources in second dimming blocks of the plurality of dimming blocks, wherein the first dimming blocks, the second dimming blocks, the first driving device, and the second driving device are arranged on a first side of the substrate, and a layout of the first dimming blocks is different from a layout of the second dimming blocks.

IPC 8 full level

G09G 3/34 (2006.01); G09G 3/36 (2006.01); G09G 5/10 (2006.01)

CPC (source: EP KR US)

G02F 1/133601 (2021.01 - EP); G02F 1/133603 (2013.01 - US); G02F 1/133612 (2021.01 - US); G09G 3/34 (2013.01 - EP); G09G 3/3406 (2013.01 - KR); G09G 3/3426 (2013.01 - EP US); G09G 3/36 (2013.01 - EP); G09G 3/3648 (2013.01 - EP KR); G09G 3/3674 (2013.01 - KR); G09G 5/10 (2013.01 - EP KR); G09G 2300/0809 (2013.01 - KR); G09G 2320/066 (2013.01 - EP)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

US 2023402017 A1 20231214; CN 118541747 A 20240823; EP 4435771 A1 20240925

DOCDB simple family (application)

US 202318125541 A 20230323; CN 202380017099 A 20230308; EP 23819954 A 20230308